Preventive measures for infertility are as follows: 1. psychological: keep a good state of mind and avoid excessive tension; 2. physiological: avoid contact with toxic and radioactive things; 3. dietary: do not always consume spicy and stimulating food; 4. reasonable weight loss: nowadays there are various ways to lose weight, some people just drink tea without eating or just drink yogurt without eating, which eventually leads to weight not coming down and menstruation The situation is not good. Because weight affects menstruation and thus ovulation, do not go on a diet, but exercise to lose weight. 5, reasonable vaginal douching: vaginal douching should be avoided too often to avoid damaging the vaginal environment and causing vaginal inflammation. Inflammation can cause retrograde infection, endometrial inflammation, tubal inflammation, and especially after inflammation of the fallopian tubes, the risk of infertility or ectopic pregnancy is increased.